A YELLOW SAPPHIRE AND DIAMOND NECKLACE AND A PAIR OF EARCLIPS, BY SVEN BOLTENSTERN

A YELLOW SAPPHIRE AND DIAMOND NECKLACE AND A PAIR OF EARCLIPS, BY SVEN BOLTENSTERN<BR> Of abstract design, the central yellow sapphire weighing 75.57 carats within the red and orange enamel spray part border with marquise and brilliant-cut diamond cluster detail, to the tapering diamond-set necklace, central pendant detaches to form a brooch, <I>necklace 33.1 cm. inner circumference, brooch 6.2 cm. high</I>, and a pair of diamond-set earclips of hoop design, <I>each 6.7 cm. high</I><BR> All with maker's mark SB for Sven Boltenstern <BR> <I>Accompanied by report No. 980690 dated 30 May 2006 from the Precious Stone Laboratory, London, stating that the yellow sapphire is of Sri Lankan origin, no evidence of heat treatment</I> \t (4)<BR>